EP0866540A3 - A rotor for a motor or generator - Google Patents

A rotor for a motor or generator Download PDF

Info

Publication number
EP0866540A3
EP0866540A3 EP98200839A EP98200839A EP0866540A3 EP 0866540 A3 EP0866540 A3 EP 0866540A3 EP 98200839 A EP98200839 A EP 98200839A EP 98200839 A EP98200839 A EP 98200839A EP 0866540 A3 EP0866540 A3 EP 0866540A3
Authority
EP
European Patent Office
Prior art keywords
rotor
generator
motor
pole pieces
rotor hub
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98200839A
Other languages
German (de)
French (fr)
Other versions
EP0866540B1 (en
EP0866540A2 (en
Inventor
Michael J. Lubas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Boat Corp
Original Assignee
Electric Boat Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electric Boat Corp filed Critical Electric Boat Corp
Publication of EP0866540A2 publication Critical patent/EP0866540A2/en
Publication of EP0866540A3 publication Critical patent/EP0866540A3/en
Application granted granted Critical
Publication of EP0866540B1 publication Critical patent/EP0866540B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/08—Salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
    • H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

A rotor for a motor or generator, said rotor comprising a rotor hub (1), a plurality of angularly distributed pole pieces (3) thereabout, and a plurality of permanent magnets (9) disposed between said pole pieces (3) characterised in that said rotor hub (1) and said pole pieces (3) have interengaging means (2, 4) which serve to position said pole pieces (3) radially and angularly with respect to said rotor hub (1).
EP98200839A 1997-03-18 1998-03-17 A rotor for a motor or generator Expired - Lifetime EP0866540B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/819,256 US5952755A (en) 1997-03-18 1997-03-18 Permanent magnet motor rotor
US819256 1997-03-18

Publications (3)

Publication Number Publication Date
EP0866540A2 EP0866540A2 (en) 1998-09-23
EP0866540A3 true EP0866540A3 (en) 2000-05-31
EP0866540B1 EP0866540B1 (en) 2006-05-24

Family

ID=25227630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98200839A Expired - Lifetime EP0866540B1 (en) 1997-03-18 1998-03-17 A rotor for a motor or generator

Country Status (4)

Country Link
US (1) US5952755A (en)
EP (1) EP0866540B1 (en)
JP (1) JP3464604B2 (en)
DE (1) DE69834594T2 (en)

Families Citing this family (78)

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US6531801B1 (en) * 1999-12-02 2003-03-11 Ispat Inland, Inc. Asynchronous motors having simple rotor structures
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US6441522B1 (en) * 2000-03-31 2002-08-27 Coleman Powermate, Inc. Electromagnetic apparatus employing high permeability low conductivity element
US6437474B1 (en) * 2000-04-11 2002-08-20 Ming Tsong Chu Rotor of synchronous motor
US6891299B2 (en) 2000-05-03 2005-05-10 Moteurs Leroy-Somer Rotary electric machine having a flux-concentrating rotor and a stator with windings on teeth
ES2258603T3 (en) * 2000-05-03 2006-09-01 Moteurs Leroy-Somer ROTOR OF ELECTRIC ROTATING MACHINE.
FR2821024B1 (en) 2001-02-20 2003-06-13 Leroy Somer Moteurs DRIVE ELEMENT SUCH AS A DRIVE WHEEL OR A LIFTING WINCH COMPRISING A SYNCHRONOUS MOTOR
FR2823612B1 (en) 2001-04-17 2003-06-13 Leroy Somer Moteurs ELECTRIC ROTATING MACHINE STATOR COMPRISING INDIVIDUAL REMOVABLE COILS
FR2823616B1 (en) 2001-04-17 2008-07-04 Leroy Somer Moteurs ELECTRIC MACHINE COMPRISING AT LEAST ONE MAGNETIC FIELD DETECTOR
US6700288B2 (en) * 2001-08-15 2004-03-02 Drs Power & Control Technologies, Inc. High speed rotor
ITBZ20010043A1 (en) 2001-09-13 2003-03-13 High Technology Invest Bv ELECTRIC GENERATOR OPERATED BY WIND ENERGY.
US6603232B2 (en) * 2001-11-02 2003-08-05 Electric Boat Corporation Permanent magnet retaining arrangement for high speed rotors
US6452301B1 (en) * 2001-11-02 2002-09-17 Electric Boat Corporation Magnet retention arrangement for high speed rotors
GB2392315A (en) * 2002-05-10 2004-02-25 Delta Invest Ltd Rotor and stator for a permanent magnet motor
US6847145B2 (en) * 2002-05-29 2005-01-25 Electric Boat Corporation Encapsulated permanent magnet motor rotor
EP2261018B1 (en) * 2002-06-18 2018-10-17 AMADA Company, Ltd. Method of regulating a servo drive system and servo drive system of a press machine
US6844653B2 (en) * 2003-03-31 2005-01-18 Valeo Electrical Systems, Inc. Stator design for permanent magnet motor with combination slot wedge and tooth locator
US7453180B2 (en) * 2003-11-25 2008-11-18 General Atomics Rotary disk energy storage and pulse power supply
JP4677806B2 (en) * 2005-03-25 2011-04-27 株式会社日立製作所 Generator and power generation system
US7285890B2 (en) * 2005-03-30 2007-10-23 Comprehensive Power, Inc. Magnet retention on rotors
US20060255679A1 (en) * 2005-05-13 2006-11-16 Dine Pieter V Apparatus for pole pieces
ITBZ20050062A1 (en) 2005-11-29 2007-05-30 High Technology Invest Bv PERMANENT MAGNET ROTOR FOR GENERATORS AND ELECTRIC MOTORS
ITBZ20050063A1 (en) 2005-11-29 2007-05-30 High Technology Invest Bv LAMIERINI PACKAGE FOR GENERATORS AND ELECTRIC MOTORS AND PROCEDURE FOR ITS IMPLEMENTATION
DK1934474T3 (en) 2005-09-21 2010-06-21 Wilic S A R L Bearing gasket assembly with maze gasket and screw gasket combination
US7573168B2 (en) * 2005-10-24 2009-08-11 General Electric Company Method and apparatus for assembling a permanent magnet pole assembly
FR2894733B1 (en) * 2005-12-08 2008-02-15 Leroy Somer Moteurs METHOD FOR MANUFACTURING ROTOR AND ROTOR OF ELECTRIC ROTATING MACHINE
US7466054B2 (en) * 2006-04-20 2008-12-16 Canopy Technologies, Llc Aerodynamic insert for high speed permanent magnet motor
FR2903824A1 (en) * 2006-07-13 2008-01-18 Leroy Somer Moteurs ROTOR OF ELECTRIC ROTATING MACHINE AND METHOD OF MANUFACTURING
FI119960B (en) * 2007-03-02 2009-05-15 Abb Oy Electric Machine Rotor Hub Module and Electric Machine Rotor
TWI343688B (en) * 2007-07-13 2011-06-11 System General Corp Rotating shaft and motor rotor having the same
US7816830B2 (en) * 2007-08-16 2010-10-19 Gary Dickes Permanent magnet alternator with segmented construction
ITMI20081122A1 (en) 2008-06-19 2009-12-20 Rolic Invest Sarl WIND GENERATOR PROVIDED WITH A COOLING SYSTEM
IT1390758B1 (en) 2008-07-23 2011-09-23 Rolic Invest Sarl WIND GENERATOR
FR2935205B1 (en) 2008-08-20 2010-10-08 Michelin Soc Tech INTERIOR ROTOR FOR ROTATING ELECTRIC MACHINE AND METHOD FOR ASSEMBLING THE SAME
FR2935204B1 (en) * 2008-08-20 2016-01-01 Michelin Soc Tech INDOOR ROTOR WITH GROOVE SHAFT FOR ROTATING ELECTRICAL MACHINE
FR2935206B1 (en) * 2008-08-20 2010-10-08 Michelin Soc Tech INTERIOR ROTOR FOR ELECTRICAL MACHINE WITH "T" -shaped MAGNETS
IT1391939B1 (en) 2008-11-12 2012-02-02 Rolic Invest Sarl WIND GENERATOR
IT1391770B1 (en) 2008-11-13 2012-01-27 Rolic Invest Sarl WIND GENERATOR FOR THE GENERATION OF ELECTRICITY
IT1392804B1 (en) 2009-01-30 2012-03-23 Rolic Invest Sarl PACKAGING AND PACKAGING METHOD FOR POLE OF WIND GENERATORS
US7911104B2 (en) * 2009-03-10 2011-03-22 Drs Power Technology, Inc. Pole retention configuration for electric machine rotors
BRPI0900907A2 (en) * 2009-03-31 2010-12-14 Whirlpool Sa synchronous and induction motor
IT1393937B1 (en) 2009-04-09 2012-05-17 Rolic Invest Sarl WIND TURBINE
IT1393707B1 (en) 2009-04-29 2012-05-08 Rolic Invest Sarl WIND POWER PLANT FOR THE GENERATION OF ELECTRICITY
IT1394723B1 (en) 2009-06-10 2012-07-13 Rolic Invest Sarl WIND POWER PLANT FOR THE GENERATION OF ELECTRICITY AND ITS CONTROL METHOD
DE102009029921B4 (en) * 2009-06-23 2012-06-06 Schuler Pressen Gmbh & Co. Kg Eccentric direct drive
WO2011012131A2 (en) * 2009-07-29 2011-02-03 Joachim Sabinski Multi-pole permanent magnet rotor for rotating electric machines and method for orienting and fastening the rotor poles on a main rotor body of the permanent magnet rotor
IT1395148B1 (en) 2009-08-07 2012-09-05 Rolic Invest Sarl METHOD AND APPARATUS FOR ACTIVATION OF AN ELECTRIC MACHINE AND ELECTRIC MACHINE
IT1397081B1 (en) 2009-11-23 2012-12-28 Rolic Invest Sarl WIND POWER PLANT FOR THE GENERATION OF ELECTRICITY
MX2012007208A (en) * 2009-12-21 2012-07-23 Hoeganaes Ab Publ Rotor for modulated pole machine.
US8063531B2 (en) * 2010-01-11 2011-11-22 Converteam Technology Ltd. Permanent magnet arrangement for an electrical machine
IT1398060B1 (en) 2010-02-04 2013-02-07 Wilic Sarl PLANT AND METHOD OF COOLING OF AN ELECTRIC GENERATOR OF AN AIR SPREADER, AND AIRCONDITIONER INCLUDING SUCH A COOLING PLANT
EA201000632A1 (en) * 2010-03-22 2010-12-30 Открытое Акционерное Общество "Нпо "Русский Электропривод" HIGH TURN ROTOR WITH CONSTANT MAGNETS OF ELECTRIC MACHINE
IT1399201B1 (en) 2010-03-30 2013-04-11 Wilic Sarl AEROGENERATOR AND METHOD OF REMOVING A BEARING FROM A AIRCONDITIONER
IT1399511B1 (en) 2010-04-22 2013-04-19 Wilic Sarl ELECTRIC GENERATOR FOR A VENTILATOR AND AEROGENER EQUIPPED WITH THIS ELECTRIC GENERATOR
DE102011000439A1 (en) 2011-02-01 2012-08-02 Uwe Guthardt Permanent magnet rotor for rotary electric machine, has alignment and assembly aids and constructive elements for alignment and anchoring rotor poles in complementary mounting slots in rotor base structure with fasteners
ITMI20110377A1 (en) 2011-03-10 2012-09-11 Wilic Sarl ROTARY ELECTRIC MACHINE FOR AEROGENERATOR
ITMI20110378A1 (en) 2011-03-10 2012-09-11 Wilic Sarl ROTARY ELECTRIC MACHINE FOR AEROGENERATOR
ITMI20110375A1 (en) 2011-03-10 2012-09-11 Wilic Sarl WIND TURBINE
EP2555384B1 (en) 2011-08-01 2016-06-29 Siemens Aktiengesellschaft Field structure of an electrical machine
KR101886154B1 (en) * 2011-10-06 2018-08-08 삼성전자 주식회사 Rotor of a motor and connecting pin for rotor
EP2624416B1 (en) * 2012-02-01 2014-09-17 GE Energy Power Conversion Technology Limited A gearless drive for a rotating electrical machine
US9407115B2 (en) * 2012-04-03 2016-08-02 Lcdrives Corp. Shaft attachment means for high efficiency permanent magnet machine with separated tab pole rotor
US8716913B2 (en) 2012-08-07 2014-05-06 Boulder Wind Power, Inc. Devices and methods for magnetic pole and back iron retention in electromagnetic machines
GB2507072B (en) * 2012-10-17 2015-06-10 Protean Electric Ltd A stator or rotor
CN103259378B (en) * 2013-05-21 2016-02-24 永济新时速电机电器有限责任公司 Chute stator is unshakable in one's determination without pulling stack-press device
GB2517410A (en) 2013-07-16 2015-02-25 Aim Co Ltd A Stator and a Rotor for an Electric Motor
GB2518348A (en) * 2013-07-16 2015-03-25 Aim Co Ltd A rotor for an electric motor
US9520751B2 (en) 2013-07-24 2016-12-13 General Electric Company System and method for smoothing a salient rotor in electrical machines
US9871333B2 (en) * 2014-06-18 2018-01-16 Mitsbushi Electric Corporation AC generator slip ring device
CN110050403B (en) 2016-10-04 2021-11-12 霍尔科姆科学研究有限公司 Solid state multi-pole and single pole generator rotor for AC/DC generator
EP4376277A3 (en) * 2017-02-13 2024-09-11 Holcomb Scientific Research Ltd. Low reverse torque, high efficiency electric power generators with uni-pole rotors
CA3054880C (en) * 2017-03-03 2024-02-06 Ge Renewable Technologies Salient pole machine
GB2562760B (en) 2017-05-24 2020-04-01 Equipmake Ltd A rotor for an electric motor
US11264850B2 (en) * 2019-09-05 2022-03-01 Nidec Motor Corporation Laminated rotor having deflecting magnet retaining prongs and support posts for the prongs
DE102020113625A1 (en) 2020-05-20 2021-11-25 Voith Patent Gmbh Rotor for an electric machine
DE102021002938A1 (en) 2021-06-09 2022-12-15 Mercedes-Benz Group AG Fastening arrangement of a magnet on a laminated core for an electrical machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1263300A (en) * 1969-10-29 1972-02-09 Kenneth John Binns Alternating current electric machine
US3740600A (en) * 1971-12-12 1973-06-19 Gen Electric Self-supporting coil brace
US4260921A (en) * 1978-12-26 1981-04-07 The Garrett Corporation Permanent magnet rotor assembly having rectangularly shaped tongues
US4445062A (en) * 1978-12-26 1984-04-24 The Garrett Corporation Rotor assembly having anchors with undulating sides
EP0431514A1 (en) * 1989-12-08 1991-06-12 Gec Alsthom Sa Motor with magnets of the flux concentration type
US5452590A (en) * 1991-07-04 1995-09-26 A.C.M. Azienda Costruzione Motori S.A.S. Di Racca Anita & C Drive device for the cylinder of a hosiery machine and rotor assembly for a brushless synchronous motor

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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1263300A (en) * 1969-10-29 1972-02-09 Kenneth John Binns Alternating current electric machine
US3740600A (en) * 1971-12-12 1973-06-19 Gen Electric Self-supporting coil brace
US4260921A (en) * 1978-12-26 1981-04-07 The Garrett Corporation Permanent magnet rotor assembly having rectangularly shaped tongues
US4445062A (en) * 1978-12-26 1984-04-24 The Garrett Corporation Rotor assembly having anchors with undulating sides
EP0431514A1 (en) * 1989-12-08 1991-06-12 Gec Alsthom Sa Motor with magnets of the flux concentration type
US5452590A (en) * 1991-07-04 1995-09-26 A.C.M. Azienda Costruzione Motori S.A.S. Di Racca Anita & C Drive device for the cylinder of a hosiery machine and rotor assembly for a brushless synchronous motor

Also Published As

Publication number Publication date
DE69834594D1 (en) 2006-06-29
DE69834594T2 (en) 2007-05-03
EP0866540B1 (en) 2006-05-24
JP3464604B2 (en) 2003-11-10
EP0866540A2 (en) 1998-09-23
JPH10327548A (en) 1998-12-08
US5952755A (en) 1999-09-14

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